Flight

UAL921 10 May 2026

UAL921, operated by United Airlines, on 10 May 2026: Stewart International (KSWF) to Newark Liberty International (KEWR), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 9 May 2026All UAL921 flights11 May 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKSWF STEWART INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne20:00 EDT 9 May
Last seen20:32 EDT 9 May
Duration0h 32m
AircraftN658UA
Max altitude16,100 ft
Distance tracked688 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteEGLL HEATHROW → KMPV EDWARD F KNAPP STATE
StatusCompleted (receiver network)
First seen airborne13:17 BST
Last seen19:58 EDT
Duration11h 40m
AircraftN658UA
Max altitude34,025 ft
Distance tracked2,818 nm

Punctuality, last 30 days

Flights7
On time1 (14%)
Average delay+56 min
Worst delay+237 min

In the last 30 days UAL921 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +56 min and a worst delay of +237 min.

UAL921 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.